package com.qf.dao;

import com.qf.pojo.User;
import com.qf.utils.DBUtil;
import org.apache.commons.dbutils.DbUtils;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;

import java.sql.SQLException;

/**
 * @author Wy
 * @version V1.0
 * @Project javaWeb项目
 * @Package com.qf.dao
 * @Description:
 * @Date 2022/5/21 10:44
 */
public class UserDaoImpl implements UserDao {
    private QueryRunner queryRunner = new QueryRunner(DBUtil.getDateSource());
    @Override
    public User findByUserName(String userName) {
              String sql="select * from tb_user where username=?";
        try {
         return    queryRunner.query(sql,new BeanHandler<User>(User.class),userName);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }
}
